Combination immersion/impingement tunnel freezer

Details Combination immersion/impingement tunnel freezer Combination immersion/impingement tunnel freezer

1994-12-14

1996-04-23

Capossel, Ronald C.

Refrigeration

Liquid contacting discrete commodity

With article conveyer or transporter

62380, F25D 1702

Patent

active

055092772

ABSTRACT:
The present invention is a combination immersion/impingement tunnel freezer. A solid conveyor belt moves the items to be frozen through an initial immersion section wherein the conveyor belt is immersed in a bath of liquid refrigerant. Subsequently, the conveyor belt moves the items to be frozen through an impingement section wherein the evaporated refrigerant from the immersion section is directed toward the solid conveyor belt at a high velocity and at an angle substantially perpendicular to the longitudinal axis of the tunnel.

REFERENCES:
patent: 4783972 (1988-11-01), Tyree, Jr. et al.
patent: 4800728 (1989-01-01), Klee et al.
patent: 4852358 (1989-08-01), Acharya et al.
R. M. Sperber, "Hybrid Freezing System Doubles Capacity", Food Processing, Jan. 1990.

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